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1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // omap3530/assp/inc/omap3530_assp_priv.h |
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15 // |
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16 |
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17 #ifndef __OMAP3530_PRIV_H__ |
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18 #define __OMAP3530_PRIV_H__ |
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19 |
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20 #include <e32const.h> |
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21 #include <arm.h> |
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22 #include <assp.h> |
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23 #include <assp/omap3530_assp/omap3530_irqmap.h> |
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24 #include <assp/omap3530_assp/omap3530_timer.h> |
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25 #include <assp/omap3530_assp/omap3530_uart.h> |
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26 |
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27 /** |
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28 * IRQ/FIQ dispatchers |
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29 */ |
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30 static void IrqDispatch(); |
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31 static void FiqDispatch(); |
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32 |
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33 class TArmCpuId { |
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34 public: |
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35 TInt Implementor; // Indicates the implementor, ARM: |
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36 TInt Variant; //Indicates the variant number, or major revision, of the processor: |
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37 TInt Architecture; //Indicates that the architecture is given in the feature registers: |
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38 TInt Primary; //part number Indicates the part number, Cortex-A8: |
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39 TInt Revision; |
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40 }; |
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41 |
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42 class Omap3530Interrupt : public Interrupt |
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43 { |
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44 public: |
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45 /** |
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46 * These functions are required to initialise the Interrupt controller,or perform housekeeping |
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47 * functions, or dispatch the incoming IRQ or FIQ interrupts. |
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48 */ |
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49 |
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50 /** |
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51 * initialisation |
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52 */ |
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53 static void Init1(); |
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54 static void Init3(); |
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55 |
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56 /** |
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57 * Housekeeping (disable and clear all hardware interrupt sources) |
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58 */ |
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59 static void DisableAndClearAll(); |
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60 IMPORT_C static TInt IsInterruptEnabled(TInt anId); |
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61 static void dumpINTCState(); |
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62 static void dumpIVTState(); |
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63 static TInt GetRegisterAndBitOffset(TInt anId,TInt &aReg,TInt &aOffset); |
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64 static void Spurious(TAny* anId); |
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65 |
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66 static SInterruptHandler Handlers[KNumOmap3530Ints]; |
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67 |
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68 TSpinLock Omap3530INTCLock; |
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69 TSpinLock Omap3530IVTLock; |
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70 private: |
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71 |
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72 |
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73 }; |
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74 |
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75 |
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76 |
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77 class Omap3530Assp : public Asic |
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78 { |
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79 public: |
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80 IMPORT_C Omap3530Assp(); |
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81 |
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82 public: |
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83 IMPORT_C virtual TInt MsTickPeriod(); |
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84 /** |
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85 * Obtain System Time from the RTC |
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86 * @return System Time in seconds from 00:00 hours of 1/1/2000 |
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87 */ |
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88 virtual TInt SystemTimeInSecondsFrom2000(TInt& aTime)=0; |
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89 /** |
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90 * Obtain Adjust the RTC with new System Time (from 00:00 hours of 1/1/2000) |
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91 * @return System wide error code |
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92 */ |
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93 virtual TInt SetSystemTimeInSecondsFrom2000(TInt aTime)=0; |
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94 /** |
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95 * Obtain the time it takes to execute two processor instructions |
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96 * @return Time in nanoseconds it takes two execute 2 instructions at the processor clock speed |
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97 */ |
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98 IMPORT_C virtual TUint32 NanoWaitCalibration(); |
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99 |
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100 /** |
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101 * initialisation |
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102 */ |
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103 IMPORT_C virtual void Init1(); |
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104 IMPORT_C virtual void Init3(); |
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105 /** |
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106 * Active waiting loop (not to be used after System Tick timer has been set up - Init3() |
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107 * @param aDuration A wait time in milliseconds |
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108 */ |
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109 IMPORT_C static void BootWaitMilliSeconds(TInt aDuration); |
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110 /** |
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111 * Read and return the Startup reason of the Hardware |
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112 * @return A TMachineStartupType enumerated value |
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113 */ |
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114 IMPORT_C virtual TMachineStartupType StartupReason(); |
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115 /** |
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116 * Read and return the the CPU ID |
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117 * @return An integer containing the CPU ID string read off the hardware |
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118 */ |
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119 IMPORT_C static void ArmCpuVersionId(TArmCpuId &id); |
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120 /** |
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121 * Get debug port number enumeration |
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122 * @return An integer containing the Omap3530Uart::TUartNumber value, with value ENone if debug port isn't a UART |
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123 */ |
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124 IMPORT_C static Omap3530Uart::TUartNumber DebugPortNumber(); |
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125 /** |
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126 * Read CPU clock period in picoseconds |
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127 * @return An integer containing the CPU clock period in picoseconds |
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128 */ |
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129 IMPORT_C static TUint ProcessorPeriodInPs(); |
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130 /** |
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131 * Read the current time of the RTC |
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132 * @return A value that is the real time as given by a RTC |
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133 */ |
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134 //IMPORT_C static TUint RtcData(); |
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135 /** |
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136 * Set the RTC time |
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137 * @param aValue The real time to set the RTC |
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138 */ |
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139 //IMPORT_C static void SetRtcData(TUint aValue); |
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140 /** |
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141 * Obtain the physical start address of Video Buffer |
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142 * @return the physical start address of Video Buffer |
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143 */ |
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144 |
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145 IMPORT_C static TUint64 GetXtalFrequency(); |
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146 |
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147 private: |
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148 /** |
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149 * Assp-specific implementation for Kern::NanoWait function |
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150 */ |
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151 static void NanoWait(TUint32 aInterval); |
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152 TInt StartMsTick(); |
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153 static void MsTickIsr(TAny* aPtr); |
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154 |
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155 |
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156 public: |
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157 /** |
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158 * for derivation by Variant |
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159 */ |
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160 |
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161 /** |
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162 * external interrupt handling |
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163 * used by second-level interrupt controllers at Variant level |
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164 */ |
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165 virtual TInt InterruptBind(TInt anId, TIsr anIsr, TAny* aPtr)=0; |
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166 virtual TInt InterruptUnbind(TInt anId)=0; |
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167 virtual TInt InterruptEnable(TInt anId)=0; |
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168 virtual TInt InterruptDisable(TInt anId)=0; |
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169 virtual TInt InterruptClear(TInt anId)=0; |
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170 virtual TInt IsExternalInterrupt(TInt anId)=0; |
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171 |
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172 /** |
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173 * USB client controller - Some example functions for the case that USB cable detection and |
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174 * UDC connect/disconnect functionality are part of the Variant. |
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175 * Pure virtual functions called by the USB PSL, to be implemented by the Variant (derived class). |
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176 * If this functionality is part of the ASSP then these functions can be removed and calls to them |
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177 * in the PSL (./pa_usbc.cpp) replaced by the appropriate internal operations. |
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178 */ |
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179 virtual TBool UsbClientConnectorDetectable()=0; |
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180 virtual TBool UsbClientConnectorInserted()=0; |
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181 virtual TInt RegisterUsbClientConnectorCallback(TInt (*aCallback)(TAny*), TAny* aPtr)=0; |
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182 virtual void UnregisterUsbClientConnectorCallback()=0; |
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183 virtual TBool UsbSoftwareConnectable()=0; |
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184 virtual TInt UsbConnect()=0; |
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185 virtual TInt UsbDisconnect()=0; |
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186 |
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187 /** Return the frequency in Hz of the SYSCLK source clock */ |
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188 virtual TUint SysClkFrequency() const = 0; |
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189 |
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190 /** Return the frequency in Hz of the SYSCLK32K source clock */ |
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191 virtual TUint SysClk32kFrequency() const = 0; |
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192 |
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193 /** Return the frequency in Hz of the ALTCLK source clock */ |
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194 virtual TUint AltClkFrequency() const = 0; |
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195 |
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196 public: |
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197 static Omap3530Assp * Variant; |
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198 TBool iDebugInitialised; |
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199 |
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200 private: |
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201 }; |
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202 |
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203 #endif |